Join Gromadzki Real Estate — Florida's 100% commission real estate brokerage. $499 per closed deal, $0 monthly. Serving Hobe Sound and all of Martin County.
Hobe Sound sits within Florida's Treasure Coast — a quieter coastal corridor running north of Palm Beach County. The market is defined by lower price points than South Florida luxury markets, strong retiree and second-home buyer flow, and growing new-construction activity in master-planned communities.
At Gromadzki Real Estate, the structure is straightforward: $499 per closed transaction. $0 monthly. $0 annual. You keep 100% of the commission on every closed deal in Hobe Sound or anywhere else in Florida. Full broker support, modern technology, and training are included.
Martin County's single-family median reached $655,000 in mid-2026, up 1.1% year over year (Florida Realtors, July 2026). At that price a 3% listing side grosses about $19,650. A 25%-split brokerage skims roughly $4,900 off every closing; Gromadzki charges a flat $499. Hobe Sound is really two markets stacked under one ZIP: mainland neighborhoods off US-1 trade near the county blend, while Jupiter Island oceanfront estates sell in the millions — a median near $7.4 million over spring 2026 (Redfin, May 2026). In a market this far above the county line, keeping your full commission on a single waterfront deal can be worth tens of thousands.
Sources: Florida Realtors headline single-family median (July 2026); Broward, Palm Beaches & St. Lucie REALTORS® / Florida Realtors for days-to-contract, months of supply and cash share (March 2026); Redfin for Jupiter Island (May–June 2026). County single-family data is the anchor; mainland Hobe Sound trades near the county blend while Jupiter Island oceanfront trades far above the county median.
Hobe Sound is an affluent, unincorporated community in southern Martin County, tucked between Stuart to the north and Jupiter to the south, and the reliable read on its market comes from county single-family data. Martin County's single-family median hit $655,000 in mid-2026, up 1.1% year over year (Florida Realtors, July 2026). Earlier in the year the detailed county report showed the single-family median at $606,250, a median 58 days to contract, 4.4 months of supply, and sellers receiving 93.8% of original list price (Broward, Palm Beaches & St. Lucie REALTORS®, March 2026) — a roughly balanced market that has firmed as inventory tightened from a year earlier.
Here is the honest nuance every Hobe Sound agent has to explain: a single "Hobe Sound median" is misleading. Blended city-level portals put the community's typical home value near $504,000, up about 3.2% (Zillow, 2026), and Redfin's last-30-day median landed close to $509,000, up 3.9% year over year (Redfin, 2026) — figures that sit below the county single-family line because they fold in mainland homes, townhouses and condos. Meanwhile the barrier island trades in another universe entirely: the median Jupiter Island sale was near $7.4 million over spring 2026 (Redfin, May 2026). Same ZIP code, two completely different markets.
The top of this market is Jupiter Island, the barrier-island town that runs along the eastern edge of the Hobe Sound ZIP and ranks among the most expensive oceanfront addresses in the country. Beyond the ~$7.4 million median sale (Redfin, May 2026), listing values there ran near $3,074 per square foot in June 2026 (Redfin, June 2026) — estate money, most of it moving in cash, from retirees, second-home buyers and privacy-seeking wealth. On the mainland, Hobe Sound is a different and far more attainable story: single-family neighborhoods, 55-plus and golf communities, and townhomes trading much closer to the county figures, where 43.8% of single-family sales and 56.7% of condo sales closed in cash (Broward, Palm Beaches & St. Lucie REALTORS®, March 2026).
What ties both tiers together is the setting. The Hobe Sound National Wildlife Refuge and its undeveloped Atlantic beach, the Nature Conservancy's Blowing Rocks Preserve, and the miles of protected shoreline give the community a low-density, preserved character that buyers pay a premium for — you cannot manufacture more oceanfront next to a federal refuge. That scarcity keeps demand durable across price points: the mainland draws value-minded relocators and retirees priced out of Jupiter and Palm Beach County, while the island draws buyers for whom price is almost secondary. An agent who can speak fluently to both — the $500,000 mainland retiree buyer and the multimillion-dollar oceanfront deal — works the full spread of this market.
At this price point, coastal risk is a central deal variable, not a footnote. Hobe Sound's waterfront and near-ocean homes carry the full Florida insurance load — wind, flood and rising premiums — and the more expensive the home, the larger those carrying costs loom in negotiations. Flood zones, elevation certificates, wind-mitigation credits and roof age move real money on both the mainland and the island, and buyers increasingly price them in up front. With 4.4 months of single-family supply and a median 58 days to contract (Broward, Palm Beaches & St. Lucie REALTORS®, March 2026), well-prepared waterfront listings still sell, but the ones that stall are usually the ones where insurance and elevation questions were left unanswered.
Location is the other half of the story. Hobe Sound sits on US-1 with I-95 just inland and A1A hugging the coast, so it functions as a quieter, greener alternative to Jupiter and Palm Beach Gardens while staying within commuting reach of both — and Stuart's hospitals and county offices lie just up US-1. That access, plus the airports at Palm Beach and Stuart, supports a strongly seasonal market: snowbirds and second-home buyers drive a busy November-through-April selling season, then activity cools through the humid summer. Agents who plan inventory, pricing and marketing around that calendar — listing island and waterfront product ahead of season — consistently outperform those who treat Hobe Sound as a year-round-flat market.
Now the math, at the real number. A Hobe Sound agent closing 10 single-family sides a year at the $655,000 county median (Florida Realtors, July 2026) grosses about $196,500 at 3% per side. A 25%-split brokerage keeps roughly $49,000 of that; a 20% split, about $39,300 — before monthly fees. At Gromadzki those same ten closings cost $4,990 flat, so on the order of $34,000–$44,000 more stays with the agent every year. The flat $499 never changes with price, so the higher the deal, the more lopsided the comparison gets.
That gap explodes on Hobe Sound's luxury and waterfront deals. On a single $2 million Jupiter Island or mainland-waterfront sale, a 3% side grosses $60,000 — a 25%-split house would take $15,000 of that one commission, while Gromadzki takes $499. Close a genuine oceanfront deal near the island's ~$7.4 million median (Redfin, May 2026) and a percentage split could cost you more on that one transaction than a year of flat fees. Hobe Sound agents list through Martin County REALTORS® of the Treasure Coast (MCRTC) and its CoreLogic Matrix MLS (MCRTC, 2026), the same membership that covers Stuart, Palm City, Jensen Beach and Sewall's Point — so the deals you earn on skill and local relationships stay yours instead of being quietly taxed by a split.
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